128327696

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67399}}^1$

素因数の和:67431

約数の個数: 40

約数和(自身を含む): 300873600

約数和(自身を除く): 172545904

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 67399, 134798, 269596, 471793, 539192, 943586, 1078384, 1145783, 1887172, 2291566, 3774344, 4583132, 7548688, 8020481, 9166264, 16040962, 18332528, 32081924, 64163848, 128327696]

約数ペア:

[(1, 128327696), (2, 64163848), (4, 32081924), (7, 18332528), (8, 16040962), (14, 9166264), (16, 8020481), (17, 7548688), (28, 4583132), (34, 3774344), (56, 2291566), (68, 1887172), (112, 1145783), (119, 1078384), (136, 943586), (238, 539192), (272, 471793), (476, 269596), (952, 134798), (1904, 67399)]